simple_nested_set 0.1.3
simple_nested_set allows to easily handle nested sets in ActiveRecord
          Gemfile:
          =
        
        
          安装:
          =
        
      Runtime 依赖 (2):
            activerecord
            ~> 3.0.3
          
          
            gem_patching
            >= 0
          
    Development 依赖 (7):
            database_cleaner
            = 0.6.0
          
          
            mysql2
            = 0.2.6
          
          
            pg
            = 0.9.0
          
          
            rake
            >= 0
          
          
            ruby-debug
            >= 0
          
          
            sqlite3-ruby
            >= 0
          
          
            test_declarative
            >= 0
          
    
